There may be a compatibility issue with the driver that prevents cheating, unfortunately I can't remember the solution with the previous situation where this driver returned in.
A few basic questions, have you tried to verify it and/or reinstall it?
Driver Reference Table - EasyAntiCheat.sys
2: kd> lmvm EasyAntiCheat
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start end module name
fffff800`78620000 fffff800`78672000 EasyAntiCheat T (no symbols)
Loaded symbol image file: EasyAntiCheat.sys
Image path: \??\C:\WINDOWS\system32\drivers\EasyAntiCheat.sys
Image name: EasyAntiCheat.sys
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Timestamp: Tue Apr 19 10:28:38 2016 (5715EC36)
Translations: 0000.04b0 0000.04e4 0409.04b0 0409.04e4